![Qhov siab stroke ntim txhais li cas? Qhov siab stroke ntim txhais li cas?](https://i.answers-medical.com/preview/medical-health/13992043-what-does-high-stroke-volume-mean-j.webp)
Video: Qhov siab stroke ntim txhais li cas?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Kev kho mob Txhais ntawm Stroke ntim
Stroke ntim : Tus nqi ntawm cov ntshav pumped los ntawm sab laug ventricle ntawm lub plawv nyob rau hauv ib tug contraction. Cov stroke volume yog tsis yog tag nrho cov ntshav muaj nyob rau hauv sab laug ventricle; ib txwm, tsuas yog kwv yees li ob feem peb ntawm cov ntshav hauv lub ventricle yog ntiab tawm nrog txhua tus ntaus
Yog li ntawd, dab tsi ua rau mob stroke nce?
Cov stroke ntim nce vim nce ventricular contractility, manifested los ntawm ib tug nce ejection feem thiab kho los ntawm sympathetic qab haus huv rau lub ventricular myocardium. Xaus diastolic ntim nce me ntsis.
Tsis tas li ntawd, kev tawm dag zog puas ua rau mob stroke? Kev tawm dag zog . Ntev ntev aerobic qoj ib ce kev cob qhia kuj yuav ua kom mob stroke ntau ntxiv , uas feem ntau ua rau qis (so) lub plawv dhia. Txo lub plawv dhia ncua ntev ventricular diastole (filling), nce qhov kawg-diastolic ntim , thiab thaum kawg cia cov ntshav tawm ntau dua.
Ib sab saum toj no, yuav ua li cas nce tom qab cuam tshuam rau mob stroke?
Nce tom qab load tsis tsuas yog txo stroke ntim , tab sis nws kuj nce sab laug ventricular kawg-diastolic siab (LVEDP) (piv txwv li, nce preload). Qhov no nce nyob rau hauv preload qhib lub tshuab Frank-Starling txhawm rau txhawm rau txhawm rau txo qis stroke ntim tshwm sim los ntawm nce nyob rau hauv afterload.
Qhov nruab nrab stroke ntim yog dab tsi?
Lub ntsiab lus ntawm stroke ntim yog ntim ntawm cov ntshav tawm ntawm sab laug ventricle ntawm lub plawv txhua lub sijhawm systolic plawv contraction. Cov nruab nrab stroke ntim 70 kg txiv neej yog 70 ml.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm qhov kev cia siab rau qhov ntim thiab qhov ntim cia tseg?
![Dab tsi yog qhov sib txawv ntawm qhov kev cia siab rau qhov ntim thiab qhov ntim cia tseg? Dab tsi yog qhov sib txawv ntawm qhov kev cia siab rau qhov ntim thiab qhov ntim cia tseg?](https://i.answers-medical.com/preview/medical-health/13844603-what-is-the-difference-between-inspiratory-reserve-volume-and-expiratory-reserve-volume-j.webp)
Qhov ntim cia tseg (ERV) yog cov pa ntxiv uas tuaj yeem nqus tau tom qab ua pa ib txwm. Nws yog qhov nyiaj khaws cia uas tuaj yeem nqus tau dhau qhov uas ib txwm muaj. Hloov pauv, qhov ua rau lub zog cia siab (IRV) yog qhov ntxiv ntawm huab cua uas tuaj yeem nqus tau tom qab nqus tau ib txwm
Dab tsi yog qhov txawv ntawm stroke ntim thiab ejection feem?
![Dab tsi yog qhov txawv ntawm stroke ntim thiab ejection feem? Dab tsi yog qhov txawv ntawm stroke ntim thiab ejection feem?](https://i.answers-medical.com/preview/medical-health/14015846-what-is-the-difference-between-stroke-volume-and-ejection-fraction-j.webp)
Stroke ntim yog qhov sib txawv ntawm qhov kawg-diastolic thiab qhov kawg-systolic tagnrho; nws yog qhov ntim tawm nrog txhua lub plawv dhia. Kev rho tawm feem yog qhov sib faib ntawm diastolic ntim tawm thaum lub sij hawm ventricular contraction (saib kab zauv 1-2). Qhov ib txwm muaj ntawm sab laug ventricular ejection feem yog 55% txog 75%
Koj txhais li cas los ntawm stroke ntim?
![Koj txhais li cas los ntawm stroke ntim? Koj txhais li cas los ntawm stroke ntim?](https://i.answers-medical.com/preview/medical-health/14016194-what-do-you-mean-by-stroke-volume-j.webp)
Kev Kho Mob Txhais ntawm Stroke Volume Stroke Volume: Cov ntshav ntws los ntawm sab laug ventricle ntawm lub plawv hauv ib qho kev cog lus. Tus mob stroke ntim tsis yog tag nrho cov ntshav muaj nyob rau hauv sab laug ventricle; Feem ntau, tsuas yog li ob feem peb ntawm cov ntshav hauv lub ventricle raug tshem tawm nrog txhua tus ntaus
Koj puas tuaj yeem ntsuas qhov siab siab hauv siab tswj qhov cua?
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Thaum lub tshuab ua pa tawm, lub siab toj siab (Pplat) yog lub zog siv thaum kawg ntawm kev tshoov siab rau cov cua me thiab txoj kev alveoli thiab nws tau ntsuas thaum lub sijhawm ua rau lub zog nqus (lossis tuav) ntawm lub tshuab ua pa. Ob qhov kev tsav tsheb siab (DP) thiab kev ua raws kev ua pa (Cpl, rs) suav nrog Pplat
Qhov siab tshaj plaws stroke ntim yog dab tsi?
![Qhov siab tshaj plaws stroke ntim yog dab tsi? Qhov siab tshaj plaws stroke ntim yog dab tsi?](https://i.answers-medical.com/preview/medicine/14087471-what-is-the-maximum-stroke-volume.webp)
Stroke ntim. Stroke ntim yog hais txog qhov ntim ntawm cov ntshav tawm ib zaug ntawm sab laug lossis sab xis ventricle thiab nce los ntawm kwv yees li 1000 mL (2-2.5 mL / kg) thaum so txog 1700 mL (3-4 mL / kg) lossis siab dua ntawm kev tawm dag zog siab tshaj plaws (Cov lus 31.6)